参数资料
型号: MAX1515ETG
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 稳压器
英文描述: Low-Voltage, Internal Switch, Step-Down/DDR Regulator
中文描述: 4.7 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, QCC24
封装: 4 X 4 MM, 0.8 MM HEIGHT, MO-220-WGGD, TQFN-8
文件页数: 13/24页
文件大小: 504K
代理商: MAX1515ETG
M
Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
______________________________________________________________________________________
13
MAX1515
LX
GND
V
CC
FB
COMP
PGND
IN
REFOUT
PGOOD
V
BIAS
(3.0V TO 3.6V)
V
CC
(DDR MODE)
V
IN
(1.3V TO 3.6V)
V
OUT
= V
TT
= V
DDC
/ 2
V
REFOUT
= V
TTR
V
(2.5V OR 1.8V)
MODE
FBSEL1
BST
V
DD
SHDN
SKIP
FBSEL0
SS
REFIN
REF
TOFF
R1
10
Ω
R2
100k
Ω
R
110k
Ω
R
SS
(OPTIONAL)
C
SS
0.01
μ
F
C
BST
0.01
μ
F
PWM MODE
SKIP MODE
ON
OFF
R3
10k
Ω
1%
R4
10k
Ω
1%
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS
C
VDD
1
F
C
IN
33
μ
F
C
OUT
220
μ
F
C
REFOUT
0.47
μ
F
L
1.2
μ
H
C
VCC
1
F
C
REFIN
0.01
μ
F
C
COMP
470pF
C
REF
1
μ
F
ERR
MAX1515
LX
SNK/SRC
THRESHOLD
SRC
SNK
IN
PGND
FB
FB GAIN
SINK/
SOURCE
LOGIC
SS
SOFT-
START
PWM
LOGIC
COMP
TOFF
TIMER
CURRENT
SENSE
ZX(+)
CURRENT
SENSE (+/-)
ZX(-)
GND
BST
SHDN
MODE
FBSEL0
FBSEL1
FBSEL
DECODE
SKIP
V
DD
L-SIDE
DRIVER
H-SIDE
DRIVER
PGOOD
PGOOD
LOGIC
V
DD
REF BUF
REFIN
REFOUT
REF
REF
1.1V
V
CC
MODE
G
m
Figure 1. Standard Application Circuit
Figure 2. Functional Diagram
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